Review on; Origin, Taxonomy, Cytology and Reason for Variation of Chromosome Number in Okra (Abelmoschus esculentus L. Moench.)

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Year:
2019
Type of Publication:
Article
Keywords:
Abelmoschus, Genetic Improvement, Germplasm, Okra, West And Central Africa WCA
Authors:
Ravindrakumar, ; Shanthakumar, G
Journal:
IJRAS
Volume:
6
Number:
1
Pages:
27-30
Month:
January
ISSN:
2348-3997
Abstract:
Okra (Abelmoschus esculentus L. Moench) is one of the important vegetables grown in India during both summer and rainy seasons. This is an often cross-pollinated crop showing 4–19% cross pollination and is a traditional vegetable crop with considerable area under cultivation in Africa and Asia with huge socio-economic potential in West and Central Africa. It has been called “a perfect villager’s vegetable” because of its robust nature, dietary fibers and distinct seed protein balanced in both lysine and tryptophan amino acids (unlike the proteins of cereals and pulses) it provides. In Cultivated okra there is significant variation in the chromosome numbers and ploidy levels in cultivated Abelmoschu species. The chromosome number of this species has been variously reported as 2n = 56, 2n = 108, 2n = 108 and 2n = 144; in a number of varieties as examined by various researchers, the chromosome number was invariably found to be 2n = 130.This present review describes a general overview of okra’s nutritional status, Origin, Taxonomy, Cytology and reason for variation of chromosome number in Okra

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